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the pH128 GroPro is the optimal tool for pH measurement in nutrient solutions and soil slurries
It can inhibit nitrification and should not be used in systems with a biofilter unless the biofilter is taken offline first
We carry 100’ power cords in stock but can order all other sizes
Seeing this silhouette in the sky will deter any prey animal from staying in the area and will make many birds uncomfortable with nesting and raising young that are vulnerable to predation in the area too
Fish Hatchery Management DO the pH128 GroPro is theThis is a must have book, covering a wide variety of subjects, from setting up a hatchery through feeding, hatchery operation, fish health, water quality and transportation. Many useful charts. US Fish and Wildlife Service, 1992. Softcover, 515 pages.
US$ 23.40
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US$ 142.50